Edexcel IGCSE Chemistry 2.29 pH scale
Practise pH-scale questions by classifying values, explaining indicator colours and using pH 7 as the neutral reference point.
- Syllabus
- First assessment 2019
- Course
- Chemistry 4CH1
Exam points
- Classify pH values as strongly acidic, weakly acidic, neutral or alkaline.
- Suggest pH values from solution type, indicator colour or ion evidence in the question.
- Use pH 7 as neutral and 11-14 as strongly alkaline when interpreting data.
2.29 The pH scale question 1
[Maximum number: 1]
Sodium hydroxide dissolves in water, forming a strongly alkaline solution.
Ammonia dissolves in water, forming a slightly less alkaline solution.
What is a possible pH of ammonia solution?
A
3
B
6
C
11
D
14
C
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